— June 27, 2013: The CFTC files a civil lawsuit against Corzine, seeking unspecified penalties and a ban on trading in the futures market; MF Global agreed to pay a $100 million penalty as part of a settlement.

— April 22: The trustee in MF Global's bankruptcy case sues Corzine and other former executives, charging that their risky practices led to the company's collapse.

— Nov. 15, 2012: The House financial services subcommittee pins most of the blame for MF Global's failure on Corzine, although it also criticizes credit-rating agencies and federal regulators.

— June 4: The trustee overseeing liquidation of MF Global says in a court filing that he might sue Corzine.

— Dec. 15, 2011: Corzine finishes three days of testimony before Congress on his company's collapse, saying he never intended to misuse clients' money and didn't order anyone else to do so.

— Dec. 2, 2011: A congressional committee votes to subpoena Corzine; Capitol Hill historians say it's the first time since 1908 that lawmakers subpoenaed a former senator.

— Oct. 31, 2011: MF Global files for bankruptcy protection after a $6.3 billion gamble on European debt turns into disaster. About $1.2 billion is found missing from accounts of clients including farmers and ranchers who expected the company to lower their risk from volatile farm-commodity prices.